Onomichi, in the midsummer of 1970. 22-year-old Akira returns home with Yoshioka, his friend at university in Tokyo. Akira likes Yoshioka and invites him to stay at his home. He suggests that they spend the summer holidays together. In order not to bore Yoshioka, Akira asks two girls, Fumie and Meeko, to join them. Yoshioka gradually turns his attention to Meeko and Akira's agony begins.